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RE: Type 16
- Date: Wed, 20 Nov 2002 09:53:25 -0600
- Date: Wed, 20 Nov 2002 09:54:23 -0600
- From: Michaël Kummert <kummert@xxxxxxxxxxxxx>
- Subject: RE: Type 16
Timo,
You should check the following:
- Do not set your data reader to interpolate
solar radiation
- The plot you sent does not include the first hours
of the year, so I assume you might not be starting the
simulation at "1". You should check your simulation start
time and the data reader mode (skip lines or not) carefully.
I would recommend to try starting the simulation at the
beginning of the year. Note that the right START time if you use a hourly
data file
and you want to simulate the whole year is "1".
Do NOT use 1/6 for starting time, even if your time
step is 1/6
- Set the SHIFT parameter of Type 16 very carefully
An easy check is to plot the extraterrestrial radiation
computed by Type16. If you have a "shift" problem,
you will see it immediately (the sunrise/sunset will
not match your data)
You may also double check the latitude...
- If you are using "Smoothing", try to disable it
If your problem persists, you should contact your distributor and send them
the files needed to reproduce the problem
Regards,
Michaël Kummert
_________________________________________________________
Michaël Kummert
Solar Energy Laboratory - University of Wisconsin-Madison
1303 Engr Res Bldg, 1500 Engineering Drive
Madison, WI 53706
Tel: +1 (608) 263-1589
Fax: +1 (608) 262-8464
E-mail: kummert@engr.wisc.edu (*****NEW*****)
SEL Web Site: http://sel.me.wisc.edu
TRNSYS Web Site: http://sel.me.wisc.edu/trnsys